ADP1741

PRODUCTION

2 A, Low VIN, Dropout, CMOS Linear Regulator

Part Models
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1ku List Price
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Part Details

  • Maximum output current: 2 A
  • Input voltage range: 1.6 V to 3.6 V
  • Low shutdown current: 2 μA
  • Low dropout voltage: 160 mV @ 2 A load
  • Initial accuracy: ±1%
  • Accuracy over line, load, and temperature: ±2%
  • 7 fixed output voltage options with soft start (ADP1740): 0.75 V to 2.5 V
  • Adjustable output voltage options with soft start (ADP1741): 0.75 V to 3.3 V
  • High PSRR
    65 dB @ 1 kHz
    65 dB @ 10 kHz
    54 dB @ 100 kHz
  • 23 μV rms at 0.75 V output
  • Stable with small 4.7 μF ceramic output capacitor
  • Excellent load and line transient response
  • Current-limit and thermal overload protection
  • See data sheet for additional features
ADP1741
2 A, Low VIN, Dropout, CMOS Linear Regulator
ADP1741 Typical Application Diagram
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Hardware Ecosystem

Parts Product Life Cycle Description
ADP1740 PRODUCTION 2 A, Low VIN Dropout, Linear Regulator
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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • ADP1741

ADI Linear Regulator Design Tool and Parametric Search

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LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
AD-FMCADC2-EBZ

AD9625 Evaluation and Synchronization

Features and Benefits

  • 2.5 GSPS utilizing JESD204B high speed serial interface
  • Optional on-board or external clocking
  • Specific design and I/O added for multi-board synchronization

Product Details

The AD-FMCADC2-EBZ is a high-speed data acquisition board featuring the AD9625 single channel ADC at 2500 MSPS, in a FMC form factor which supports the JESD204B high speed serial interface. The AD9625 is a 12-bit monolithic sampling analog-to-digital converter (ADC) that operates at conversion rates of up to 2.5 GSPS. This product is designed for sampling wide bandwidth analog signals up to the second Nyquist zone. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9625 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications, such as radar and jamming/anti-jamming measures.

The board meets most of the FMC specifications in terms of mechanical size, mounting hole locations, and more. Although this board does meet most of the FMC specifications, it’s not meant as a commercial off-the-shelf (COTS) board. If you want a commercial, ready to integrate product, please refer to one of the many FMC manufacturers and the FMC specification (ANSI/VITA 57.1).

This board is targeted to use the ADI reference designs that work with Xilinx development systems. ADI provides complete source (HDL and software) to re-create those projects (minus the IP provided by the FPGA vendors, which we use), but may not provide enough info to port this to your custom platform

The design of the board is specifically tailored to synchronizing multiple AD-FMCADC2-EBZ boards together.  For more information on synchronization please refer to A Test Method for Synchronizing Multiple GSPS Converters.

The reference design includes the device data capture via the JESD204B serial interface and the SPI interface. The samples are written to the external DDR-DRAM. It allows programming the device and monitoring its internal registers via SPI.

eval board
AD-FMCOMMS11-EBZ

Direct RF to Baseband Transmit Radio

Features and Benefits

  • TX
    • 16-bit 12GSPS RFDAC
    • JESD204B Interface
      • 8 lanes up to 12.5Gbps
    • 1x/2x/4x/6x/8x/12x/16x/24x/32x Interpolation
    • 64-bit NCO at max rate
    • Analog Modes of Operation:
      • Normal Mode: 6GSPS DAC rate
        • Synthesis up to 2.5GHz (1st Nyquist)
      • Mix Mode: 6GSPS DAC rate
        • Synthesis in 2nd & 3rd Nyquist zones
      • 2X Normal Mode: 12GSPS DAC rate
        • Synthesis up to 6GHz (1st Nyquist)
      • Excellent dynamic performance
  • RX
    • 3.2GHz full power bandwidth at 2.5GSPS
      • Noise Density = -149.5dBFs/Hz, ENOB = 9.5 bits
      • SFDR = 77 dBc at 1GHz Ain (2.5Gsps)
      • SFDR = 77dBc at 1.8GHz Ain (2.5Gsps)
    • +/-0.3 LSB DNL, +/-1.0 LSB INL
    • Dual supplies : 1.3V and 2.5V
    • 8 or 6 Lane JESD204B Outputs
    • Programmable clipping threshold for Fast Detect output
    • Two Integrated wide band digital down converters (DDC) per channel
      • 10-bit complex NCO
      • 2 cascaded half band filters (dec/8, dec/16)
    • Timestamp for synchronous processing alignment
      • SYSREF Setup/Hold detector
    • Programmable Interrupt (IRQ) event monitor

Product Details

The AD-FMComms11-EBZ board is a system platform board for communication infrastructure applications that demonstrates the Direct to RF (DRF) transmitter and observation receiver architecture. Using high sample rate RFDAC(s) and RFADC(s), a number of components in previous generation transmitters can be eliminated, such as mixers, modulators, IF amplifiers and filters. The objective being to bring the ADC or DAC as close to the antenna as possible, leading to possibly more cost effective and efficient communications solution.

It is composed of multi-GSPS RF ADC and DAC, AD9625 and AD9162 respectively. The transmit path contains a balun, low pass filter, gain block and variable attenuation to produce an output appropriate for a power amplifier module. Along the observation path, the PA output is coupled back into the board through a variable attenuator, a balun and finally the ADC. Clock management is taken care of on board; all the necessary clocks are generated from a reference. Power management is present as well.

eval board
EVAL-ADP1741

ADP1741 Evaluation Board

Product Details

These evaluation boards are used to demonstrate the functionality of the ADP1740/ADP1741 linear regulators.

Simple device measurements such as line and load regulation, dropout, and ground current can be demonstrated with just a single voltage supply, a voltmeter, a current meter, and load resistors.

eval board
AD-FMCADC3-EBZ

ADA4961 & AD9625 Analog Signal Chain Evaluation and Converter Synchronization

Features and Benefits

  • 2.5 GSPS utilizing JESD204B high speed serial interface
  • Driver amplifier interface with 21dB voltage gain adjustment
  • Optional on-board or external clocking
  • Specific design and I/O added for multi-board synchronization

Product Details

The AD-FMCADC3-EBZ is a high speed data acquisition board featuring AD9625 single channel ADC at 2500 MSPS and the ADA4961 Low Distortion, 3.2 GHz, RF DGA driving the converter. The FMC form factor supports the JESD204B high speed serial interface. This product is designed for sampling wide bandwidth analog signals up to the second Nyquist zone. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9625 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications, such as radar and jamming/anti-jamming measures.

The board meets most of the FMC specifications in terms of mechanical size, mounting hole locations, and more. Although this board does meet most of the FMC specifications, it’s not meant as a commercial off the shelf (COTS) board. If you want a commercial, ready to integrate product, please refer to one of the many FMC manufacturers and the FMC specification (ANSI/VITA 57.1). This board is targeted to use the ADI reference designs that work with Xilinx development systems. ADI provides complete source (HDL and software) to re-create those projects (minus the IP provided by the FPGA vendors, which we use), but may not provide enough info to port this to your custom platform.

The design of the board is specifically tailored to synchronizing multiple AD-FMCADC3-EBZ boards together. For more information on synchronization please refer to A Test Method for Synchronizing Multiple GSPS Converters.

The reference design includes the device data capture via the JESD204B serial interface and the SPI interface. The samples are written to the external DDR-DRAM. It allows programming the device and monitoring it’s internal registers via SPI.

eval board
AD-FMCADC4-EBZ

ADA4961 & AD9680 Analog Signal Chain Evaluation and AD9528 Converter Synchronization

Features and Benefits

  • Four channels of 1.0 GSPS conversion utilizing JESD204B high speed serial interface
  • Driver amplifier interface with 21dB voltage gain adjustment
  • Optional on-board or external clocking
  • Specific design and I/O added for multi-board synchronization

Product Details

The AD-FMCADC4-EBZ is a high speed 4-channel data acquisition board featuring two AD9680 dual channel ADC at 1000 MSPS and four ADA4961 low distortion, 3.2 GHz, RF DGA driving each converter. The FMC form factor supports the JESD204B high speed serial interface. All clocking and channel synchronization is support on-board using the AD9528 clock generator. This product is designed for sampling wide bandwidth analog signals up to the second Nyquist zone. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9680 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications, such as radar and jamming/anti-jamming measures.


The board meets most of the FMC specifications in terms of mechanical size, mounting hole locations, and more. Although this board does meet most of the FMC specifications, it’s not meant as a commercial off the shelf (COTS) board. If you want a commercial, ready to integrate product, please refer to one of the many FMC manufacturers and the FMC specification (ANSI/VITA 57.1).

This board is targeted to use the ADI reference designs that work with Xilinx development systems. ADI provides complete source (HDL and software) to re-create those projects (minus the IP provided by the FPGA vendors, which we use), but may not provide enough info to port this to your custom platform.

The design of the board is specifically tailored to synchronizing multiple AD-FMCADC4-EBZ boards together. For more information on synchronization please refer to A Test Method for Synchronizing Multiple GSPS Converters. The reference design includes the device data capture via the JESD204B serial interface and the SPI interface. The samples are written to the external DDR-DRAM. It allows programming the device and monitoring its internal registers via SPI.

eval board
AD-FMCADC7-EBZ

ADL5567 & AD9625 Analog Signal Chain Evaluation and ADF4355-2 Wideband Synthesizer with VCO

Features and Benefits

  • Single channel of 2.5 GSPS conversion utilizing JESD204B high speed serial interface
  • Driver amplifier interface with 20dB voltage gain adjustment
  • On-board PLL and VCO setup for clocking or external clocking
  • True DC coupled input and analog input frontend to the ADC, BW = DC to 1.8GHz
  • Product Details

    The AD-FMCADC7-EBZ is a single channel high speed data acquisition board featuring the AD9625 12bit, ADC sampling at 2500 MSPS and a ADL5567 low distortion, 4.8 GHz, differential amplifier driving the converter. The FMC form factor supports the JESD204B high speed serial interface. All clocking is supported using the on-board ADF4355-2 wideband PLL with VCO. This product is designed for sampling wide bandwidth analog signals from DC to 1.8GHz. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9625 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications.


    The board meets most of the FMC specifications in terms of mechanical size, mounting hole locations, and more. Although this board does meet most of the FMC specifications, it’s not meant as a commercial off the shelf (COTS) board. If you want a commercial, ready to integrate product, please refer to one of the many FMC manufacturers and the FMC specification (ANSI/VITA 57.1).


    This board is targeted to use the ADI reference designs that work with Xilinx development systems. ADI provides complete source (HDL and software) to re-create those projects (minus the IP provided by the FPGA vendors, which we use), but may not provide enough info to port this to your custom platform.


    The design of the board is specifically tailored to allow for true DC coupling on the analog input of the amplifier throughout the signal chain to the converter. Yielding the widest spectrum possible for the AD-FMCADC7-EBZ.


    The reference design includes the device data capture via the JESD204B serial interface and the SPI interface. The samples are written to the external DDR-DRAM. It allows programming the device and monitoring it’s internal registers via SPI.

    AD-FMCADC2-EBZ
    AD9625 Evaluation and Synchronization
    AD-FMCADC2-EBZ Eval Board AD-FMCADC2-EBZ Eval Board AD-FMCADC2-EBZ Eval Board
    AD-FMCOMMS11-EBZ
    Direct RF to Baseband Transmit Radio
    AD-FMCOMMS11-EBZ Block Diagram AD-FMCOMMS11-EBZ Evaluation Board AD-FMCOMMS11-EBZ Evaluation Board - Top View AD-FMCOMMS11-EBZ Evaluation Board - Bottom View
    EVAL-ADP1741
    ADP1741 Evaluation Board
    ADP1740 Evaluation Board
    AD-FMCADC3-EBZ
    ADA4961 & AD9625 Analog Signal Chain Evaluation and Converter Synchronization
    AD-FMCADC3-EBZ_Front AD-FMCADC3-EBZ_Back
    AD-FMCADC4-EBZ
    ADA4961 & AD9680 Analog Signal Chain Evaluation and AD9528 Converter Synchronization
    AD-FMCADC4-EBZ Evaluation Board (top) AD-FMCADC4-EBZ Evaluation Board (bottom)
    AD-FMCADC7-EBZ
    ADL5567 & AD9625 Analog Signal Chain Evaluation and ADF4355-2 Wideband Synthesizer with VCO
    AD-FMCADC7-Front AD-FMCADC7-Back AD-FMCADC7-Combined

    Reference Designs

    Functional Block Diagram of Universal Power Supply Module
    CN0190 Circuits from the lab

    Robust, Multivoltage, High Efficiency, 25 W Universal Power Supply Module with 6 V to 14 V Input

    Features and Benefits

    • 12 different voltage and current output conditions
    • Configure the all other channels to be powered off
    CN0190
    Robust, Multivoltage, High Efficiency, 25 W Universal Power Supply Module with 6 V to 14 V Input
    Functional Block Diagram of Universal Power Supply Module
    Photograph of EVAL-CN0190-EB1Z Universal Power Supply

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